When Queen Juana is finally pregnant after 7 years of marriage, King Enrique IV orders that his half-siblings Isabel and Alfonso be brought from their home in Arevalo to the decadent Royal Court of Castile in Segovia.

Lead by Marquis Juan Pacheco and Archbishop Carrillo, several nobles rebel against the King under trumped-up charges. Enrique's supporters extort him to act, but he is unwilling to display violence.

Beatriz is shocked to learn that her father has given her hand in marriage without even consulting her. Meanwhile, the King decides to use another wedding to end the country's civil war: Isabel's.